217888569

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1667}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 333066240

約数和(自身を除く): 115177671

約数列:

[1, 3, 9, 27, 47, 103, 141, 309, 423, 927, 1269, 1667, 2781, 4841, 5001, 14523, 15003, 43569, 45009, 78349, 130707, 171701, 235047, 515103, 705141, 1545309, 2115423, 4635927, 8069947, 24209841, 72629523, 217888569]

約数ペア:

[(1, 217888569), (3, 72629523), (9, 24209841), (27, 8069947), (47, 4635927), (103, 2115423), (141, 1545309), (309, 705141), (423, 515103), (927, 235047), (1269, 171701), (1667, 130707), (2781, 78349), (4841, 45009), (5001, 43569), (14523, 15003)]